European astronomers have claimed to discover at least 16 new so-called “Super-Earths” —planets similar to our own but many times denser— of which one is potentially habitable. The European Southern Observatory (ESO) said the exoplanets were seen through the High Accuracy Radical velocity Planet Searcher (HARPS) telescope in Chile. “The harvest of discoveries from HARPS has exceeded... 

This artist's impression shows HIP 13044 b, an exoplanet orbiting a star that entered our galaxy, the Milky Way, from another galaxy. European astronomers say they have discovered the first planet that comes from a galaxy outside the Milky Way, according to research released in the United States. A hot, gaseous and fast-spinning planet has been found orbiting a dying star on the edge of the Milky...